applegl_glx.c revision 5d35343d12ab462100c9eec50a579b73463e465a 
1/*
2 * Copyright © 2010 Intel Corporation
3 * Copyright © 2011 Apple Inc.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Soft-
7 * ware"), to deal in the Software without restriction, including without
8 * limitation the rights to use, copy, modify, merge, publish, distribute,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, provided that the above copyright
11 * notice(s) and this permission notice appear in all copies of the Soft-
12 * ware and that both the above copyright notice(s) and this permission
13 * notice appear in supporting documentation.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
16 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL-
17 * ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY
18 * RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS INCLUDED IN
19 * THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR CONSE-
20 * QUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
21 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
22 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFOR-
23 * MANCE OF THIS SOFTWARE.
24 *
25 * Except as contained in this notice, the name of a copyright holder shall
26 * not be used in advertising or otherwise to promote the sale, use or
27 * other dealings in this Software without prior written authorization of
28 * the copyright holder.
29 *
30 * Authors:
31 *   Kristian Høgsberg (krh@bitplanet.net)
32 */
33
34#if defined(GLX_USE_APPLEGL)
35
36#include <stdbool.h>
37
38#include "glxclient.h"
39#include "apple_glx_context.h"
40#include "apple_glx.h"
41#include "glx_error.h"
42
43static void
44applegl_destroy_context(struct glx_context *gc)
45{
46   apple_glx_destroy_context(&gc->driContext, gc->currentDpy);
47}
48
49static int
50applegl_bind_context(struct glx_context *gc, struct glx_context *old,
51		     GLXDrawable draw, GLXDrawable read)
52{
53   Display *dpy = gc->psc->dpy;
54   bool error = apple_glx_make_current_context(dpy,
55					       (oldGC && oldGC != &dummyContext) ? oldGC->driContext : NULL
56					       gc ? gc->driContext : NULL, draw);
57
58   apple_glx_diagnostic("%s: error %s\n", __func__, error ? "YES" : "NO");
59   if (error)
60      return 1; /* GLXBadContext is the same as Success (0) */
61
62   return Success;
63}
64
65static void
66applegl_unbind_context(struct glx_context *gc, struct glx_context *new)
67{
68}
69
70static void
71applegl_wait_gl(struct glx_context *gc)
72{
73   glFinish();
74}
75
76static void
77applegl_wait_x(struct glx_context *gc)
78{
79   Display *dpy = gc->psc->dpy;
80   apple_glx_waitx(dpy, gc->driContext);
81}
82
83static const struct glx_context_vtable applegl_context_vtable = {
84   applegl_destroy_context,
85   applegl_bind_context,
86   applegl_unbind_context,
87   applegl_wait_gl,
88   applegl_wait_x,
89   DRI_glXUseXFont,
90   NULL, /* bind_tex_image, */
91   NULL, /* release_tex_image, */
92};
93
94struct glx_context *
95applegl_create_context(struct glx_screen *psc,
96		       struct glx_config *mode,
97		       struct glx_context *shareList, int renderType)
98{
99   struct glx_context *gc;
100   int errorcode;
101   bool x11error;
102   Display *dpy;
103
104   /* TODO: Integrate this with apple_glx_create_context and make
105    * struct apple_glx_context inherit from struct glx_context. */
106
107   gc = Xcalloc(1, sizeof (*gc));
108   if (gc == NULL)
109      return NULL;
110
111   if (!glx_context_init(gc, psc, mode)) {
112      Xfree(gc);
113      return NULL;
114   }
115
116   dpy = gc->psc->dpy;
117
118   gc->vtable = &applegl_context_vtable;
119   gc->driContext = NULL;
120   gc->do_destroy = False;
121
122   /* TODO: darwin: Integrate with above to do indirect */
123   if(apple_glx_create_context(&gc->driContext, dpy, screen, fbconfig,
124			       shareList ? shareList->driContext : NULL,
125			       &errorcode, &x11error)) {
126      __glXSendError(dpy, errorcode, 0, X_GLXCreateContext, x11error);
127      gc->vtable->destroy(gc);
128      return NULL;
129   }
130
131   gc->currentContextTag = -1;
132   gc->mode = fbconfig;
133   gc->isDirect = 1;
134   gc->xid = 1; /* Just something not None, so we know when to destroy
135		 * it in MakeContextCurrent. */
136
137   return gc;
138}
139
140struct glx_screen_vtable applegl_screen_vtable = {
141   applegl_create_context
142};
143
144_X_HIDDEN struct glx_screen *
145applegl_create_screen(int screen, struct glx_display * priv)
146{
147   struct glx_screen *psc;
148
149   psc = Xmalloc(sizeof *psc);
150   if (psc == NULL)
151      return NULL;
152
153   memset(psc, 0, sizeof *psc);
154   glx_screen_init(psc, screen, priv);
155   psc->vtable = &applegl_screen_vtable;
156
157   return psc;
158}
159
160_X_HIDDEN int
161applegl_create_display(struct glx_display *glx_dpy)
162{
163   if(!apple_init_glx(glx_dpy->dpy))
164      return 1;
165
166   return GLXBadContext;
167}
168
169#endif
170